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Assumption Parish Operational Situation Summary

Stay informed about the ongoing situation in Assumption Parish. Emergency management, public safety, gas volumes updates, and more.

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Assumption Parish Operational Situation Summary

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  1. Assumption ParishOperational Situation Summary • Emergency Management: • Parish Emergency Declared – 19 June 2012 • Extended 30 days on 05 December 2014 • Extended 30 days on 05 January 2015 • Extended 30 days on 05 February 2015 • Extended 30 days on 05 March 2015 • State Emergency Declared – 3 August 2012 • LA Hwy 70 Open for traffic • Mandatory Evacuation still in effect • Security plans in place to secure sinkhole area • Parish continues blog to inform residents • Texas Brine issuing financial assistance for residents • Bayou Corne Incident Command Center - HOTLINE 1-877-281-7311 • Facilitating the askGOHSEP@la.gov for questions • APOEP and Sheriff’s Office relocated Command Post to 1424 Hwy 70S

  2. Assumption ParishOperational Situation Summary • Public Safety: • LSP providing air craft support • LSP providing HAZMAT support to parish as needed • LDWF providing air boat support to parish as needed • No market or recreational hunting or fishing in restricted area • LSA Command Post on site • An office trailer has replaced the GOHSEP vehicle and will serve as a consolidated command post for the Assumption Unified Command • All state agencies currently involved with the event will continue to be in attendance. • GOHSEP has added a notification widget to their website indicating the current alert level for OG-1 and Hwy 70

  3. Assumption ParishOperational Situation Summary Gas Volumes as of 4 Mar

  4. Assumption ParishOperational Situation Summary Gas Volumes as of 4 Mar

  5. Assumption ParishOperational Situation Summary Gas Volumes as of 4 Mar

  6. Assumption ParishOperational Situation Summary Gas Volumes as of 4 Mar

  7. Assumption ParishOperational Situation Summary • The State Agency is responsible for oversight of the following activities. Texas Brine and its contractors are performing operational response activities. • Routine weekly outfall sampling • Performed industrial water wells sampling and in-situ monitoring (12/16) • Conducted daily well readings and flare maintenance • Continued monitoring and maintenance of continuous dewatering of ORWs 40, 48, 54, and 57. • Completed 0.0 psi verification at ORW-43 (12/15) • Completed 1 Hour Depletion Confirmation Test at ORW-31; however, flare 3 was inadvertently shut down during the test. (12/16) Test will be repeated in the future. • Completed Phase 4 vent test at ORW 22 (12/16) • Sampled MRAA 06 and 09 (12/15) • Completed depletion test at ORW 26 • Installed transducer in OG3A to depth of 2660’ (12/19). Pressure reading this morning was 1636 psi. • Completed monthly monitoring of GP wells (12/22) • Conducted daily well readings and flare maintenance • Continued monitoring and maintenance of continuous dewatering of ORWs 40, 48, 54 and 57 • Completed modified 1-hr depletion test at ORW-26 (12/17), ORW-30 (12/18), and ORW-31 (re-test) (12/22) • Completed Gamma Ray logging of MRAAs 1D, 4D, 6D, 8D, and 9D (12/18 and 12/19) • Finished monthly MRAA well sampling (MRAA 1 and 8) • Routine weekly outfall sampling • Downloaded transducer data and manually measured water levels in MRAA water wells (12/23) • Conducted daily well readings and flare maintenance • Continued monitoring and maintenance of continuous dewatering of ORWs 40, 48, 54, and 57. • Performed monthly transducer downloads of ORWs, PMWs, and MRAA wells (12/25-26) • Routine weekly outfall sampling – two events (12/30 and 01/06) • Conducted daily well readings and flare maintenance • Continued monitoring and maintenance of continuous dewatering of ORWs 40, 48, 54, and 57. • Completed Phase 4 one month venting on ORW 28 (12/31) • Began (non-Phase 4 schedule) intermittent gas venting of ORWs 24 and 39 (01/06) • Continue (non-Phase 4 schedule) intermittent gas venting of ORWs 24 and 39 (01/07) • Adjusted choke settings on ORWs 36, 49 and 50 (12/31) • Adjusted choke settings on ORWs 19 and 56 (01/01) • Adjusted settings on flares 3, 5 and 6 (01/01) • Adjusted choke on ORW 54 (01/06)

  8. Assumption ParishOperational Situation Summary • The State Agency is responsible for oversight of the following activities. Texas Brine and its contractors are performing operational response activities. • Collected weekly LPDES outfall samples (1/14) • Conducted daily well readings and flare maintenance • Continued monitoring and maintenance of continuous dewatering of ORWs 40, 48, 54, and 57. (ORW-40 pump turned off on 1/7 for freeze protection) • Completed zero verification test at ORW-1 and ORW-2; Confirmed 0 psi (1/12) • Shut in GOW-9-1; no gas flow (1/12) • Began quarterly MRAA Well sampling (1/12); work is ongoing • Completed Phase 4 vent test on ORW-15; initial WH pressure @ 0.8 psi (digital gauge); connected digital flow meter, open well at 6.0 choke setting; no gas flow recorded (1/13) • Collected monthly gas samples from flares (1/13) • Began quarterly vent test of PMWs (1/14); work is ongoing • Began quarterly bubble site monitoring (1/14); work is ongoing • Performed quarterly geoprobe monitoring (1/8) • Collected weekly LPDES outfall samples (1/20) • Conducted daily well readings and flare maintenance • Continued monitoring and maintenance of continuous dewatering of ORWs 40, 48, 54, and 57. (ORW-54 shut in on 1/19 to facilitate PMW-19S vent test) • Completed zero verification test at ORW-21 and ORW-38; Confirmed 0 psi (1/15) • Opened GOW-9-1 to flare after 1 week shut-in (1/20) • Completed quarterly MRAA Well sampling (1/21) • Completed Phase 4 vent test on ORW-30; initial WH pressure @ 1.3 psi (digital gauge); no gas flow recorded on digital flow meter (1/19) • Completed Phase 4 vent test on ORW-31; initial WH pressure @ 39.3 psi (digital gauge); recorded 53.5 SCF gas flow over 23 minute period; monitored an additional 104 minutes with no change; final WH pressure = 0.0 psi (1/20) • Completed Phase 4 vent test on ORW-26; initial WH pressure @ 2.4 psi (digital gauge); recorded 0.491 SCF gas flow over 3 minute period; monitored an additional 71 minutes with no change; final WH pressure = 0.0 psi (1/20) • Began the P&A of ORW-33 (1/19) • Began the P&A of ORW-3 (1/20) • Began the monthly monitoring of PVWs and KGC (1/20) • Redeveloped PVW-26-6 and PVW-26-10 (1/21) • Completed quarterly vent test of PMWs (1/21) • Completed quarterly bubble site monitoring (1/16) • Completed Industrial Well sampling (1/20)

  9. Assumption ParishOperational Situation Summary • The State Agency is responsible for oversight of the following activities. Texas Brine and its contractors are performing operational response activities. • Collected weekly LPDES outfall samples (1/27) • Conducted daily well readings and flare maintenance • Continued monitoring and maintenance of continuous dewatering of ORWs 40, 48, 54, and 57. • Redeveloped ORW-48 (1/21) • Completed the monthly monitoring of PVWs and KGCs (1/22) • Completed surface water sampling (1/22) • Completed Phase 4 vent test on ORW-29; well head pressure: 26.2; install digital gas flow meter, open choke to 6.0; recovered 41.228 SCF in 23 minutes; continue to monitor for an additional 79 minutes with no further gas flow recorded (1/23) • Completed Phase 4 vent test of ORW-32: well head pressure: 2.5; install digital gas flow meter, open choke to 6.0; recovered 0.347 SCF in 3 minutes; continue to monitor for an additional 106 minutes with no further gas flow recorded (1/26) • Completed P&A of shallow Geoprobe wells GP-ORW-06 (1/22), GP-ORW-09 (1/23), GP-ORW-16 (1/26), GP-ORW-17 (1/26), NSDMW013 (1/27), NSDMW014 (1/27) • Completed the P&A of ORW-33, ORW-3, DPVE-47-1, DPVE-47-2 and DPVE-47-3 • Collected weekly LPDES outfall samples (2/03) • Began the quarterly sinkhole depth survey (1/30) • Completed monthly bubble site monitoring (2/03) • Collected gas samples from PVWs and KGCs (2/02) • Conducted daily well readings and flare maintenance • Continued daily monitoring and maintenance of continuous dewatering of ORWs 40, 48, 54, and 57. • Shut in GOW-9-1 (1/29) • Completed transducer downloads on ORWs • Redeveloped ORW-46 (1/28 & 29), ORWs-49 and 56 (2/02), ORW-50 (2/03) • Began redevelopment of ORW-06 (2/03) • Completed Phase 4 - zero pressure verification tests on ORW-21 and 38 (2/02) and 41 (2/03) • Completed Phase 4 – 30 day vent test on ORW-14 (2/02) • Completed Phase 4 - 3 month vent test on ORW-24 (2/03) • Completed P&A of shallow Geoprobe wells NSDWMs-07 and 09 (1/28), NSDWMs-04 and 016 (1/29), NSDWM-03 (1/30) • Collected weekly LPDES outfall samples (2/10) • Completed the quarterly sinkhole depth survey (2/10) • Completed the quarterly berms survey (2/09) • Completed the quarterly sinkhole profile water sampling (2/09) • Completed the weekly Outfall sampling (2/10) • Completed the monthly industrial water well sampling (2/10)

  10. Assumption ParishOperational Situation Summary • The State Agency is responsible for oversight of the following activities. Texas Brine and its contractors are performing operational response activities. • Conducted daily well readings and flare maintenance • Continued daily monitoring and maintenance of continuous dewatering of ORWs 40, 48, 54, and 57. • Completed transducer downloads on ORWs • Redeveloped ORW-06 (2/3, 4 and 5), ORW-10 (2/09) • P&A of Geoprobe wells NSDWM-08 (2/09), GP-22-02 and GP-22-03 (02/10) • Phase 4 – 3 month vent test on ORW22 (2/09) and 23 (02/10) • Completed the Phase 4 – 30 day vent test on ORW-16 (2/09) • Conducted daily well readings and flare maintenance • Continued daily monitoring and maintenance of continuous dewatering of ORWs 40, 48, 54, and 57. • Completed transducer downloads on ORWs • P&A of Geoprobe wells GP-37-01 and GP-37-02 (02/11), NSDMW-017 (2/12), NSDMW-006 (2/12) • Conducted 1-hr depletion test at ORW-10; no gas produced; 0.0 psi well head pressure; (2/13) • Completed Phase 4 vent test (3 month) on ORW-28; 0.447 SCF; (2/11) • Completed Phase 4 Zero Verification test of ORW-43; confirmed zero psi; (2/13) • Began P&A of ORW-21 and ORW-38 (2/16) • Completed quarterly sinkhole and berm survey • Collected weekly LPDES outfall samples; (2/18 and 2/24) • Collected gas samples from BS-1, BS-15 and BS-113 (2/18) • Began the monthly groundwater MRAA well sampling (2/24) • Conducted daily well readings and flare maintenance • Continued daily monitoring and maintenance of continuous dewatering of ORWs 40, 48, 54, and 57. • Completed weekly transducer downloads on ORWs • Completed the P&A for ORWs 21 and 38 (2/19) • Completed monthly flare gas sampling (2/18) • Completed monthly monitoring of KGC and PVWs (2/19) • Completed quarterly maintenance of RESPEC TM and WL instruments (2/19) • Completed workover (2/18) and depletion test (2/19) at OGRW-1 • Performed Phase 4 zero verification test at ORW-11; Confirmed 2.2 psig of wellhead annulus pressure. (2/20) • Began monthly sampling of selected MRAA wells (2/23) • Conducted depletion test at ORW-9 (2/24)

  11. Assumption ParishOperational Situation Summary • The State Agency is responsible for oversight of the following activities. Texas Brine and its contractors are performing operational response activities. • Collected weekly outfall samples; (2/24 and 3/3) • Completed the monthly groundwater MRAA well sampling (2/27) • Completed monthly GP wells pressure monitoring (except GP-BS-15, GP-BS-23 and GP-BS-44) (2/27) • Completed monthly ORW transducer data download (3/2) • Conducted daily well readings and flare maintenance • Continued daily monitoring and maintenance of continuous dewatering of ORWs 40, 48, 54, and 57. • Completed weekly transducer downloads on ORWs • Continued enhanced gas production on ORW-55 (removed 1,540 gallons from 2/25 to 3/3) • Completed Phase 4 – 6 month zero pressure verification on: ORWs-01 and 02 (2/25); ORW-15 (2/26) • Completed Phase 4 – 30 day zero pressure verification on ORW-13 (2/27) • Performed Phase 4 – 1 month venting at ORW-11 (3/2) • Performed Phase 4 – 3 month zero pressure verification on ORW-17 (3/3) • Performed depletion confirmation test on ORW-4 (2/25) and began Phase 3A/3B dewatering (3/4) • Retrofitted GOW-9-1 with 4” well head (2/26) and installed 2” pump (3/4)

  12. Assumption ParishOperational Situation Summary • DHH / Office of Public Health • Section for Environmental Epidemiology and Toxicology • Air Monitoring Sample Data • SEET has received and is analyzing community ambient air sampled 5/2/14, 5/6-7/14, 5/9/14, 5/13-14/14, 5/16/14, 5/20-21/14, 5/23/14, 5/27/14, 5/30/14, 6/3-4/14, 6/6/14, 6/13/14, and 6/17/14 (MultiRAE) and 5/22-27/14 (MAML). SEET will issue a letter to the parish in reference to these findings once the review of the data has been completed. • SEET has received and is analyzing sample results for air at bubble sites collected 5/7/14, 5/14/14, 5/21/14, 6/4/14, and 6/17/14 (MultiRAE). SEET will issue a letter to the parish in reference to these findings once the review of the data has been completed.

  13. Assumption ParishOperational Situation Summary • DHH / Office of Public Health • Section for Environmental Epidemiology and Toxicology • Industrial Water Well Sampling Data • No new water well data received during this operational period.

  14. Assumption ParishOperational Situation Summary • DHH / Office of Public Health • Section for Environmental Epidemiology and Toxicology • Slurry Water Sampling Data • No new slurry data received during this operational period.

  15. Assumption ParishOperational Situation Summary • DHH / Office of Public Health • Section for Environmental Epidemiology and Toxicology • Surface Water at Bubble Sites • No new surface water data received during this operational period.

  16. Assumption ParishOperational Situation Summary Department of Environmental Quality • Air monitoring for VOC’s continues with no dangerous levels detected off site (1000’ away). • On going Water sampling/water quality monitoring in Bayou Corne and Grand Bayou indicates no water pollution associated with the incident to date. • To date outdoor air monitoring has been conducted in response to the receipt of 97 rights of passage. • 57 indoor air monitoring inspections have been conducted in response to citizen requests. • Private residence air monitoring is available for scheduling upon citizen completion of the Right of passage form. Please call (225) 219-3015 to notify DEQ if you desire monitoring.. • LDEQ Command Post on site. Mobile Air Monitoring Lab (MAML) scheduled to be on site on a recurring basis collecting continuous data on methane/non-methane VOCs and H2S. • DEQ is conducting community air monitoring • DEQ has submitted comments on Texas Brine’s proposed water control structure to DNR • Approved emergency water discharge permit allowing discharge of water back into the sinkhole (9/6) • Has begun water sampling weekly in the Bayou near sinkhole water discharge • Collected Hydrocarbon samples within sinkhole • Mobile Air Monitoring Lab (MAML) departed site 5/27/14 • Held public hearing on TBC LPDES permit application (9/9/14)

  17. Assumption ParishOperational Situation Summary Department of Transportation and Development • Regular monitoring of roadways and bridges in the area for ground movement • Developed a traffic contingency plan if needed • As of 04 Mar 2015 DOTD monitoring equipment has not detected any permanent bridge or highway movements nor any noteworthy trends. • No significant changes in the surface of Hwy 70 profiler runs • In an abundance of caution DOTD crews have established a fifth CORS site in the Bayou Corne community.  This fifth CORS device was part of the original package, and is not the result of any new developments • Held stakeholders meeting for Hwy 70 reroute options 15 May • Performed Hwy 70 profiler run (10/21) • Performed Hwy 70 profiler run (11/18) • Swapped out the modem at CORS-5 station. Station is now operational (12/22)

  18. Assumption ParishOperational Situation Summary • Department of Transportation and Development (con’td)

  19. Assumption Parish Scientific Situation Summary • There were 33 MEQs yesterday and 20 MEQs? since midnight that meet the selection criteria. There was 1 VLP detected yesterday and no VLPs detected since midnight. (12/17/14) • There were 8 MEQs yesterday and 1 MEQs since midnight that meet the selection criteria. There were no VLPs detected yesterday and no VLPs detected since midnight.(12/23/14) • There were 35 MEQs yesterday and 22 MEQs since midnight that meet the selection criteria. There were no VLPs detected yesterday and 3 VLPs detected since midnight.(12/30/14) • There were 84 MEQs yesterday and 30 MEQs since midnight that meet the selection criteria. There were no VLPs detected yesterday and no VLPs detected since midnight. (1/7/15) • There were 67 MEQs yesterday and 23 MEQs since midnight that meet the selection criteria. There was 1 VLP detected yesterday and no VLPs detected since midnight.(1/14/15) • There were 7 MEQs yesterday and no MEQs since midnight that meet the selection criteria. There were no VLPs detected yesterday and no VLPs detected since midnight.(1/21/15) • There were 2 MEQs yesterday and 3 MEQs since midnight that meet the selection criteria. There were no VLPs detected yesterday and no VLPs detected since midnight. (1/28) • There were 4 MEQs yesterday and 7 MEQs since midnight that meet the selection criteria. There were no VLPs detected yesterday and no VLPs detected since midnight. (2/4/15) • There were 40 MEQs yesterday and 13 MEQs since midnight that meet the selection criteria. There were no VLPs detected yesterday and no VLPs detected since midnight. (2/11/15) • There were 97 MEQs yesterday and 37 MEQs since midnight that meet the selection criteria. There were no VLPs detected yesterday and no VLPs detected since midnight. (2/18/15) • There were 128 MEQs yesterday and 37 MEQs since midnight that meet the selection criteria. There were no VLPs detected yesterday and no VLPs detected since midnight. (2/25/15) • There were 125 MEQs yesterday and 32 MEQs since midnight that meet the selection criteria. There were no VLPs detected yesterday and no VLPs detected since midnight. (3/4/15) As of Thursday, March 05, 2015

  20. Assumption ParishScientific Situation Summary • Scientific Workgroup theories of cause: • Salt Dome moving – natural migration of gas • Failed cement casing in OXY #3 well • Cavity Failure • Salt / Caprock falling from top of the cavern • Natural • Man-made (including penetration into sediments by cavern) • Gas storage cavern connections, communications by fractures • Low permeability seepage of gas into OXY #3 (source unknown) • Regional Tectonic activity (movement on growth faults) • A combination of above events • Held monthly meeting (conference call) on 2/19/14 • Quarterly meeting (conference call) on 11/19/14 • Quarterly meeting (conference call) on 2/18/14

  21. Next Operational Period (4 - 11 Mar 15)Incident Action Plan • The State Agency is responsible for oversight of the following activities. Texas Brine and its contractors are performing operational response activities. DNR: • Texas Brine conducting hydrocarbon removal operations • Perform oversight of operations at investigatory well, observation/vent well and sink hole (day light hours) • Staff providing assist Assumption Parish Incident Commander and DEQ with bubble site monitoring, community air monitoring, and in-home monitoring • Reviewing analysis of water samples from water wells screened in Mississippi River Alluvial aquifer • Continue source investigation and file reviews • Coordinate and provide information to science team • Dome operators proceeding to implement their Shallow Geology, Aquifer, and Caprock Characterization Plan • CB&I to collect pressure readings from the shallow water Geoprobes • CB&I continues to evaluate the production of formation gas from the vent wells • November 12, 2012 emergency order from the Commissioner of Conservation: • Homes – Ventilation improvements in unventilated, unoccupied, enclosed spaces • Gas Monitors • Texas Brine’s contractor is Installing pressure monitoring wells with DNR oversight. • Develop plan for mitigation problem over area • Contain dissolved contamination from flowing into Bayou Corne

  22. Next Operational Period (4 - 11 Mar 15)Incident Action Plan • The State Agency is responsible for oversight of the following activities. Texas Brine and its contractors are performing operational response activities. • DNR (Cont’d) • Texas Brine contractor to maintain antennas & repeaters for in-home monitoring • Texas Brine contractor to maintain in-home monitors. • BRC continues to evaluate data and provide recommended requirements • Monitoring under slab venting installation • Weekly surveys • Conduct daily well readings and flare maintenance • Monitor continuous dewatering of ORWs • PMWs - 04 and 07 - monitor for safety and security • Collect Outfall Samples (3/10) • MRAA 05 sampling (Contingent on Code) • Start pumping ORW-4 and GOW 9-1

  23. Next Operational Period (4 - 11 Mar 15)Incident Action Plan • DEQ: • Continue to conduct air and water quality monitoring in the community and in the area of the bubbling in Bayou Corne, Triche Canal, and Grand Bayou • Continue to offer indoor air monitoring to residents who complete the Rite of Passage form from the Parish. Residents desiring indoor home monitoring may call DEQ @ (225) 219-3015 • Pursuant to the DNR press release dated 11/7/2012 regarding the pressure in some geoprobes, LDEQ will conduct indoor air monitoring as requested at residential homes in the Bayou Corne community. • Conduct any test required by scientific group to aid in source/cause identification • Provide oversight of Texas Brine’s efforts to conduct hydrocarbon removal at the slurry site. • Provide oversight and review of Texas Brine’s air and water quality monitoring efforts. • Continue to visually monitor conditions of the booms and general conditions of the slurry area from the well pad. • Perform Bayou Corne water quality background sampling • Public hearing on September 9th at 6:00 pm

  24. Next Operational Period (4 - 11 Mar 15)Incident Action Plan • DHH / Office of Public Health • DHH will continue to review and analyze environmental sample data as provided by the Louisiana Department of Environmental Quality (LDEQ), for any chemical findings that would indicate a potential public health risk.   • DHH Safe Drinking Water Program will continue to monitor the incident for any reports of the expansion of the slurry/hole to ensure that water distribution underground piping is not compromised.

  25. Next Operational Period (4 - 11 Mar 15)Incident Action Plan • DHH / Office of Public Health: • DHH/OPH will continue to participate in meetings with GOHSEP and Assumption Parish to maintain visibility and operational readiness for any potential public health concerns.

  26. Next Operational Period (4 - 11 Mar 15)Incident Action Plan • DOTD: • Continue daily observation of road and bridges • Will continue observation and analysis of deformation spots along Hwy 70 in evacuation zone • Continuous monitoring of Hwy 70 with instrumentation • Continue observation and analysis of Hwy 69 • Continue establishing a fifth CORS site in the Bayou Cornearea • Install CORS-5 station at the corner of Gumbo St and Sauce Piquante (12/10/14)

  27. Next Operational Period (4 - 11 Mar 15)Incident Action Plan • Scientific Group: • Analyzing groundwater sample analyses • Evaluate issues as they arise • Continue to provide information to the UCG • Anyone can submit information at any time for science team evaluation by sending an email to askgohsep@la.gov • Additional members added to the team as needed • Will hold its next Conference Call 2/18 at 2pm

  28. Assumption Parish Long Range Plan • DNR: • Conducting testing of investigatory well to determine cavern condition and root cause • Scientific Group conference calls/meetings will be scheduled weekly to review new data and issues that arise • Continue source investigation and file review • Evaluate results of monitoring data and take necessary action • Monitor operations at investigatory,observation/ventwell and sink hole (day light hours) • Staff on standby to assist incident commander • Ensure total remediation of the entire site • Continue to pursue landowner access agreements • Implement CB&I’s Plan of Action • Conduct industrial well sampling bi-weekly and bubble sites as reported in general vicinity of operations. • Dome operators to identify presence of natural gas and vent as necessary • Ensure Texas Brine fully complies with the Commissioner of Conservation’s Orders dated 11 Oct 12, Nov 2012, 7 Dec 2012, and 14 Jan 2013. • Blue Ribbon Commission will evaluate data collected in order to provide recommendations on risk levels to the Parish • DOTD: • Investigating bypass alignment of LA 70 around the Salt Dome • Continuous automated monitoring of roadway-bridge movement and subsidence • Establish CORS site #5 on the North side of Hwy 70 • DEQ: • Continue to conduct sampling of air and water in area of operation • Continue oversight of ongoing remedial activities • Continue to conduct hazard assessment monitoring with APSO in resident homes and properties when requested.

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